<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <script>
     for(var i = 0; i < 3; i++) {
         (function(i) {
                setTimeout(function () {
                    console.log(i)
                }, 0);
         })(i)
     }
    </script>
</body>
</html>